{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-43124",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-43124",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-06T11:27:10.221Z",
    "updatedAt": "2026-05-23T16:06:20.362Z",
    "importedAt": "2026-10-24T01:58:08.712Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "pstore: ram_core: fix incorrect success return when vmap() fails",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\npstore: ram_core: fix incorrect success return when vmap() fails\n\nIn persistent_ram_vmap(), vmap() may return NULL on failure.\n\nIf offset is non-zero, adding offset_in_page(start) causes the function\nto return a non-NULL pointer even though the mapping failed.\npersistent_ram_buffer_map() therefore incorrectly returns success.\n\nSubsequent access to prz->buffer may dereference an invalid address\nand cause crashes.\n\nAdd proper NULL checking for vmap() failures.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "831b624df1b420c8f9281ed1307a8db23afb72df",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d47234840aeb4182ed3ee795c578b1dfa9cbd25b"
            },
            {
              "version": "831b624df1b420c8f9281ed1307a8db23afb72df",
              "status": "affected",
              "versionType": "git",
              "lessThan": "49918dd52615097529811d21ec6074dd02ebe77c"
            },
            {
              "version": "831b624df1b420c8f9281ed1307a8db23afb72df",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8baa234181f632cabacf73e4834a910859e9fcc9"
            },
            {
              "version": "831b624df1b420c8f9281ed1307a8db23afb72df",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1da904e84de608907662ad8a51ba9c571d61e003"
            },
            {
              "version": "831b624df1b420c8f9281ed1307a8db23afb72df",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8d849adfbc3e98417fb541620568db1a759ef441"
            },
            {
              "version": "831b624df1b420c8f9281ed1307a8db23afb72df",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2c99326dc1c79b7ce3c8dd92929b5ce724ff70eb"
            },
            {
              "version": "831b624df1b420c8f9281ed1307a8db23afb72df",
              "status": "affected",
              "versionType": "git",
              "lessThan": "88d5b28f63c7aac1271784e3b800ed405d1cde75"
            },
            {
              "version": "831b624df1b420c8f9281ed1307a8db23afb72df",
              "status": "affected",
              "versionType": "git",
              "lessThan": "05363abc7625cf18c96e67f50673cd07f11da5e9"
            },
            {
              "version": "9095f19baae92afb978f8df77d19280fe291b337",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "36a9916189b46b78dbf4fa542739b464444f0537",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "1cd01dba1355e291f636555b1920625ed58c1623",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "7026e2457c5b0c0e8a81e65a8209b8420a437b4d",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "1e5b387747ba285a64348b9a96b246d0b9d52b03",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "d0028f48b33086cf6d8f87831a650866107b5785",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "3.16.62",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "3.17"
            },
            {
              "version": "3.18.123",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "3.19"
            },
            {
              "version": "4.4.158",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.5"
            },
            {
              "version": "4.9.129",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.10"
            },
            {
              "version": "4.14.72",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.15"
            },
            {
              "version": "4.18.10",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.19"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.19"
            },
            {
              "version": "5.10.252",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.202",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.165",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.128",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.75",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.16",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.6",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}